Quick Answer: What Body Part Can Only Be Found On Humans?

Which organ can you live without?

You can still have a fairly normal life without one of your lungs, a kidney, your spleen, appendix, gall bladder, adenoids, tonsils, plus some of your lymph nodes, the fibula bones from each leg and six of your ribs..

Can a human have a tail?

Humans do have a tail, but it’s for only a brief period during our embryonic development. It’s most pronounced at around day 31 to 35 of gestation and then it regresses into the four or five fused vertebrae becoming our coccyx. … A tail would just get in the way and be a nuisance to this type of locomotion.”

Which are the strongest muscle in the body?

masseterThe strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars. The uterus sits in the lower pelvic region.

Why do people lose their tails?

As dogs show, tails are useful for visual communication, slapping away flying insects and other functions. Adult apes, including human ancestors, took the tail loss process a step further, Sallan said, “losing the remaining bony tail for better upright movement.

Can we live without a heart?

A device called the Total Artificial Heart helps some of the sickest heart-failure patients regain function — outside of the hospital — while awaiting a transplant.

Can you live without a brain?

Since it controls vital functions such as breathing, swallowing, digestion, eye movement and heartbeat, there can be no life without it. But the rest of the brain is obviously capable of some remarkable feats, with one part able to compensate for deficiencies in another.

Can a person live without eyeballs?

You don’t need eyes to survive Some people may lose an eye due to an injury or have one removed because of cancer. In rare cases, a person could be born without them. While a lack of eyes can create many challenges for a person, they technically aren’t a vital organ for survival.

Is there a body part with an unknown purpose?

Vestigial organs are parts of the body that once had a function but are now more-or-less useless. Probably the most famous example is the appendix, though it is now an open question whether the appendix is really vestigial.

What is the most used body part?

It is actually your Brain and the Nerve System. These nerves have direct and indirect connection to the heart, digestive system, immune system, and the skeleton. The most important part of your body is your Brain and Nerve System.

What body part has no bones?

The ear as a whole contains three small bones which is required for it’s functioning. The external ear is bendable and is made of cartilage.

What is the weirdest body part?

#2-Strange names for body partsiris—colored part of the eye.pinna—visible part of the ear.canthus—corners on either side of the eye, right where the upper and lower lids come together.glabella—flat area just above the nose, in between the eyebrows.naris—nostril (plural = nares).More items…

What’s the most useless body part?

appendixThe appendix may be the most commonly known useless organ. While plant-eating vertebrates still rely on their appendix to help process plants, the organ is not part of the human digestive system.

Which is the strongest bone in the human body?

femur boneThe femur bone is the longest and strongest bone in the body. Located in the thigh, it spans the hip and knee joints and helps maintain upright posture by supporting the skeleton.

What is smallest bone in human body?

Ossicles, three tiny bones (including the stapes, the smallest bone in the body), pass vibrations to the oval window, which is a membrane at the entrance to the inner ear.